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CERTIFICATE OF ANALYSIS
Product Name |
Troxerutin (EP9.0) |
Batch No. |
20230108 |
MFG. Date |
08/01/2023 |
EXP. Date |
07/01/2025 |
Batch Quantity |
1000kg |
CAS no |
7085-55-4 |
ITEMS |
SPECIFICATIONS |
RESULTS |
|
Appearance |
Greenish yellow or yellow fine powder |
Greenish yellow or yellow fine powder |
|
Solubility |
Freely soluble in water, slightly soluble in ethanol(96%) and practically insoluble in methylene chloride |
Complies |
|
Identification |
(A)IR (B)HPLC |
Complies |
|
-principal Peak:Tris(hydroxyethyl)rutin |
≥80% |
83.13% |
|
-Any other peak |
For each peak,maximun 5%,except for 1 peak which can be maximun 10% |
Complies |
|
Tetrakis(hydroxyethyl)rutin |
4.98% |
||
Mono(hydroxyethyl)rutin |
1.19% |
||
Bis(hydroxyethyl)rutin |
4.45% |
||
Loss on drying (130℃) |
≤5.0% |
4.55% |
|
Melting point |
168℃~176℃ |
170℃~172℃ |
|
Sulfated ash |
≤0.4% |
0.08% |
|
Residue on ignition |
≤0.1% |
0.05% |
|
Ethylene oxide |
≤1ppm |
0.7ppm |
|
Assay (UV) |
95.0~105.0% |
98.4% |
|
Methanol |
≤3000ppm |
706ppm |
|
Particle size |
100% pass through sieve 80 mesh |
100% pass 80 mesh |
|
Total plate count |
≤1000cfu/g |
130cfu/g |
|
Yeast & mould |
≤100cfu/g |
20cfu/g |
|
E.Coli |
Absent |
Absent |
|
salmonellae |
Absent |
Absent |
|
Staphylococcus Aureus |
Absent |
Absent |
|
Conclusion |
The test results conform to EP9.0 |